Strainer for artesian wells



(No Model.)

M. D. WHEELER. STRAINBRFUR ARTBSIAN WELLS.

No. 572,848. Patented Deo. 8, 1896.

:$5 .RKR/

\\\\\\\\\\\\\\\\\\\\\\\/\\\\\\\\\\\\\` lll WI/V'ESSES UNITED STATESPATENT OFFICE.

MARK D. IVHEELER, OF REDFIELD, SOUTH DAKOTA.

sTRAlNER Fon ARTEslAN WELLS.

SPECIFICATION forming part of Letters Patent NO. 572,848, dated December8, 1896.`

Application filed November 9,1895. Renewed November 12, 1896. Serial No.611,906. (No model.)

To @ZZ whom, t may concern.-

Be it known that I, MARK D. WHEELER, a citizen of the United States ofAmerica, residing at Rediield, in the county of Spink and State of SouthDakota, have invented certain new and useful Improvements in Strainersfor Artesian Wells; and I do hereby declare the following to be a full,clear, and exact description of the invention, such as will enableothers skilled in the art to which it appertains to make and use thesame, reference being had to the accompanying drawings, and to lettersof reference marked thereon, which form a part of this specification.

The object of my invention is to provide means for attaching a strainerto the lower section of a drilled well after the well-tube has beenplaced in position.

To this end my invention consists inthe combination of aAwell-tubinghaving` a coupling for connecting the lower section to the section abovein such manner as to provide an annular recess forming shoulders,together with a strainer having spring-arms at its upper end forengagement with the shoulders, and a lower perforated section adapted toeX- tend below the lower end of the well-tubing, as will be hereinafterset forth, whereby the strainer can be placed in position after thewell-tubing is in place.

In the accompanying drawings, forming part of this specification, Figurel is a vertical sectional view of the well-tubing, showing the strainerapplied thereto. Fig. 2 is aperspective view of the upper part of thestrainer, and Fig. 3 is a side elevation of the bar which is employedfor placing the strainer in the well-tubin g. 1

In the drawings I have shown the lower 'part of a well-tubing, in whichthe lower sectubing. The lower section A of the well-tubing ispreferably made of steel.

C designates the strainer, which is of.

slightly less diameter than the internal diameter of the well-tubing,and the upper end of this strainer is cut away and threaded at ctoreceive a metallic thimble C', having upwardly-projecting arms c', whichare bent outward. To the upper ends of the arms c, on their outer sides,are attached blocks c2 which, when the strainer is placed in thewell-tubing, as hereinafter set forth, lie in the annular space orrecess between the ends of the sections A and A and prevent the strainerfrom becoming displaced.

The lower part of the strainer O, which eX- tends beyond the lower endof the well-tub ing, is perforated, as shown, and the end is preferablyremovable, and for this purpose the end section O2 is provided, havingits upper end threaded to engage with threads at the lower end of themain or body port-ion of the strainer.

The strainer hereinbefore described is simple and cheap in constructionand can be readily placed in position in the well-tubing after thelatter has been sunkinto the ground to the proper depth. In applying thestrainer to the well-tubing it is placed in the upper end of said tubingand forced down until the blocks c2, which are on the ends of thespringarms c and bear against the inner side of the tubing, reach theannular space or recess between the adjoining ends of the sections A andA', when they will move into said recess and prevent a further movementof the strainer in either direction, the perforated end of the strainerbeing then located beyond the lower end of the well-tubing.

D designates a tool which I employ in forcing the strainer down in thewell-tubing, said tool consisting of a rod, either a single piece orjointed, which is provided at its lower end with a reduced threadedportion ci, which engages a threaded aperture c3 in the lower end of thestrainer, so that after the strainer has been placed in position the rodcan be turned to disengage it from said aperture.

I am aware that prior to my invention it has been proposed to recess orshoulder the lower section of a well-tubin g, so as to provide IOO arest or seat for the strainer, and I therefore lay no olai1n,broadly,tosuch construction; but

What I claim as new, and desire to secure by Letters Patent, is-

The combination with a well-tubin g havin g sections A and A connectedto each other by a coupling B so as to leave an annular space betweenthe adjoining ends of said sections;

of a strainer consisting of the part C the lower .y portion of which isperforated and provided with a threaded aperture, the upper end of thepart C being threaded; together with a v threaded sleeve or thilnble Cin engagement with the upper end of the part C and having upwardly andoutwardly projecting springarms c with blocks or heads at their freeends, substantially as shown and for the purpose set forth.

In testimony whereof I affix my signature in presence of two witnesses.

MARK D. WHEELER. Vtitnesses:

WM. A. MORRISON, L. J. LUCK.

